7 lines (6 with data), 255 Bytes

m219b 0 128 0 10:16:00 30/10/1989
# Start time=10:16
# First beat=10:16:01.000
# <age-range>: 55-59, <sex>: Female, <medication>: Moricizine
# <RR-low-limit(sec)>: 0.539,  <RR-high-limit(sec)>: 1.25
# Note: reel-to-reel recording, not flutter-compensated